{"paper":{"title":"Characterizing Low-Mass Binaries From Observation of Long Time-scale Caustic-crossing Gravitational Microlensing Events","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.A. Cole, A. Cassan, A. Fukui, A. Gould, A. Hornstrup, A. Udalski, B.S. Gaudi, C. Coutures, C. Han, C. Henderson, C.-H. Gu, C.H. Ling, C. Liebig, C.S. Botzler, C. Snodgrass, C.-U. Lee, D. Dominis Prester, D.J. Sullivan, D. Kubas, D.L. Depoy, D.M. Bramich, D. McGregor, D. Moorhouse, D.P. Bennett, D. Ricci, D. Suzuki, E. Bachelet, E. Corrales, E. Kerins, F. Abe, F. Grundahl, F. Jablonski, G. Christie, G. Pietrzy\\'nski, G. Scarpetta, G. Thornley, H. Ngan, I.A. Bond, I.A. Steele, I.-G. Shin, I. Soszy\\'nski, J.-B. Marquette, J.C. Yee, J. Donatowicz, J. Greenhill, J. Jessen-Hansen, J. McCormick, J.-P. Beaulieu, J. Skottfelt, J. Skowron, J. Southworth, J. Surdej, J. Tregloan-Reed, J. Wambsganss, J.W. Menzies, J.-Y. Choi, K.A. Alsubai, K.C. Sahu, K. Furusawa, K. Harps{\\o}e, K. Horne, K. Masuda, K. Ohmori, K. Ohnishi, K. Suzuki, K. Szyma\\'nski, K. Ulaczyk, K. Wada, L. A. Almeida, L. Mancini, {\\L}. Wyrzykowski, M., M.D. Albrow, M. Dominik, M. Freeman, M. Hundertmark, M.J. Burgdorf, M. Kubiak, M. Lund, M. Lunkkvist, M. Mathiasen, M.T. Penny, M. Zub, N.J. Rattenbury, N. Kains, N. Miyake, O. Wertz, P. Browne, P. Chote, P.C.M. Yock, P. Dodds, P. Fouqu\\'e, P.J. Tristram, P. Pietrukowicz, R.A. Street, R. Poleski, R.W. Pogge, S. Brillant, S. Calchi Novati, S. Dieters, S. Dreizler, S. Hardis, S. Kobara, S. Koz{\\l}owski, S. Rahvar, S. Takino, Subo Dong, S.-Y. Park, T.C. Hinse, T.-G. Tan, T. Natusch, To. Saito, T. Sumi, U.G. J{\\o}rgensen, V. Batista, V. Bozza, W.L. Sweatman, X.-S. Fang, Y. Itow, Y. Matsubara, Y. Muraki, Y. Tsapras","submitted_at":"2012-04-13T03:21:18Z","abstract_excerpt":"Despite astrophysical importance of binary star systems, detections are limited to those located in small ranges of separations, distances, and masses and thus it is necessary to use a variety of observational techniques for a complete view of stellar multiplicity across a broad range of physical parameters. In this paper, we report the detections and measurements of 2 binaries discovered from observations of microlensing events MOA-2011-BLG-090 and OGLE-2011-BLG-0417. Determinations of the binary masses are possible by simultaneously measuring the Einstein radius and the lens parallax. The me"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2869","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}